Home / 790,237.20-1,090,528.68-427,661.34

Finding the Fourth Proportional to 790,237.20, 1,090,528.68 and 427,661.34

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Solution

The fourth proportional to 790,237.20, 1,090,528.68 and 427,661.34 is: 590,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,237.20 : 1,090,528.68 = 427,661.34 : x
  2. Step 2: Convert to fraction form
    790,237.20/1,090,528.68 = 427,661.34/x
  3. Step 3: Cross multiply
    790,237.20x = 1,090,528.68 × 427,661.34
  4. Step 4: Simplify right side
    790,237.20x = 466,376,954,607.60
  5. Step 5: Solve for x
    x = 466,376,954,607.60/790,237.20
  6. Step 6: Final answer
    x = 590,173.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.